MFC r272444 (by jkim):

  Merge ACPICA 20140926.

MFC r278970 (by jkim):

  Merge ACPICA 20141107 and 20150204.

Approved by:	jkim
Relnotes:	yes

14 files changed, 248 insertions, 68 deletions

diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsargs.c b/sys/contrib/dev/acpica/components/dispatcher/dsargs.c
index 2c574ca1..254f704 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsargs.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsargs.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,8 +42,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSARGS_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dscontrol.c b/sys/contrib/dev/acpica/components/dispatcher/dscontrol.c
index 3d256ea..bb23156 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dscontrol.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dscontrol.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,8 +42,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSCONTROL_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/amlcode.h>
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsfield.c b/sys/contrib/dev/acpica/components/dispatcher/dsfield.c
index ab4f5b9..d376bb1 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsfield.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsfield.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSFIELD_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/amlcode.h>
@@ -116,7 +114,7 @@ AcpiDsCreateExternalRegion (
      * OperationRegion not found. Generate an External for it, and
      * insert the name into the namespace.
      */
-    AcpiDmAddToExternalList (Op, Path, ACPI_TYPE_REGION, 0);
+    AcpiDmAddOpToExternalList (Op, Path, ACPI_TYPE_REGION, 0, 0);
     Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_REGION,
        ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, WalkState, Node);
     if (ACPI_FAILURE (Status))
@@ -391,6 +389,7 @@ AcpiDsGetFieldNames (
              */
             Info->ResourceBuffer = NULL;
             Info->ConnectionNode = NULL;
+            Info->PinNumberIndex = 0;
 
             /*
              * A Connection() is either an actual resource descriptor (buffer)
@@ -466,6 +465,7 @@ AcpiDsGetFieldNames (
             }
 
             Info->FieldBitPosition += Info->FieldBitLength;
+            Info->PinNumberIndex++; /* Index relative to previous Connection() */
             break;
 
         default:
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsinit.c b/sys/contrib/dev/acpica/components/dispatcher/dsinit.c
index 5ab1f50..62f9bde 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsinit.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSINIT_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acdispat.h>
@@ -52,6 +50,7 @@
 #define _COMPONENT          ACPI_DISPATCHER
         ACPI_MODULE_NAME    ("dsinit")
 
+
 /* Local prototypes */
 
 static ACPI_STATUS
@@ -91,8 +90,8 @@ AcpiDsInitOneObject (
 {
     ACPI_INIT_WALK_INFO     *Info = (ACPI_INIT_WALK_INFO *) Context;
     ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
-    ACPI_OBJECT_TYPE        Type;
     ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
 
 
     ACPI_FUNCTION_ENTRY ();
@@ -111,9 +110,7 @@ AcpiDsInitOneObject (
 
     /* And even then, we are only interested in a few object types */
 
-    Type = AcpiNsGetType (ObjHandle);
-
-    switch (Type)
+    switch (AcpiNsGetType (ObjHandle))
     {
     case ACPI_TYPE_REGION:
 
@@ -129,8 +126,45 @@ AcpiDsInitOneObject (
         break;
 
     case ACPI_TYPE_METHOD:
-
+        /*
+         * Auto-serialization support. We will examine each method that is
+         * NotSerialized to determine if it creates any Named objects. If
+         * it does, it will be marked serialized to prevent problems if
+         * the method is entered by two or more threads and an attempt is
+         * made to create the same named object twice -- which results in
+         * an AE_ALREADY_EXISTS exception and method abort.
+         */
         Info->MethodCount++;
+        ObjDesc = AcpiNsGetAttachedObject (Node);
+        if (!ObjDesc)
+        {
+            break;
+        }
+
+        /* Ignore if already serialized */
+
+        if (ObjDesc->Method.InfoFlags & ACPI_METHOD_SERIALIZED)
+        {
+            Info->SerialMethodCount++;
+            break;
+        }
+
+        if (AcpiGbl_AutoSerializeMethods)
+        {
+            /* Parse/scan method and serialize it if necessary */
+
+            AcpiDsAutoSerializeMethod (Node, ObjDesc);
+            if (ObjDesc->Method.InfoFlags & ACPI_METHOD_SERIALIZED)
+            {
+                /* Method was just converted to Serialized */
+
+                Info->SerialMethodCount++;
+                Info->SerializedMethodCount++;
+                break;
+            }
+        }
+
+        Info->NonSerialMethodCount++;
         break;
 
     case ACPI_TYPE_DEVICE:
@@ -187,7 +221,6 @@ AcpiDsInitializeObjects (
 
     ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
         "**** Starting initialization of namespace objects ****\n"));
-    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:"));
 
     /* Set all init info to zero */
 
@@ -223,12 +256,14 @@ AcpiDsInitializeObjects (
     }
 
     ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
-        "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",
-        Table->Signature, OwnerId, Info.ObjectCount,
-        Info.DeviceCount, Info.MethodCount, Info.OpRegionCount));
-
-    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
-        "%u Methods, %u Regions\n", Info.MethodCount, Info.OpRegionCount));
+        "Table [%4.4s] (id %4.4X) - %4u Objects with %3u Devices, "
+        "%3u Regions, %3u Methods (%u/%u/%u Serial/Non/Cvt)\n",
+        Table->Signature, OwnerId, Info.ObjectCount, Info.DeviceCount,
+        Info.OpRegionCount, Info.MethodCount, Info.SerialMethodCount,
+        Info.NonSerialMethodCount, Info.SerializedMethodCount));
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "%u Methods, %u Regions\n",
+        Info.MethodCount, Info.OpRegionCount));
 
     return_ACPI_STATUS (AE_OK);
 }
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsmethod.c b/sys/contrib/dev/acpica/components/dispatcher/dsmethod.c
index d2dccaf..a687c72 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsmethod.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsmethod.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,14 +41,14 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSMETHOD_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acdispat.h>
 #include <contrib/dev/acpica/include/acinterp.h>
 #include <contrib/dev/acpica/include/acnamesp.h>
 #include <contrib/dev/acpica/include/acdisasm.h>
+#include <contrib/dev/acpica/include/acparser.h>
+#include <contrib/dev/acpica/include/amlcode.h>
 
 
 #define _COMPONENT          ACPI_DISPATCHER
@@ -57,12 +57,156 @@
 /* Local prototypes */
 
 static ACPI_STATUS
+AcpiDsDetectNamedOpcodes (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp);
+
+static ACPI_STATUS
 AcpiDsCreateMethodMutex (
     ACPI_OPERAND_OBJECT     *MethodDesc);
 
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiDsAutoSerializeMethod
+ *
+ * PARAMETERS:  Node                        - Namespace Node of the method
+ *              ObjDesc                     - Method object attached to node
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse a control method AML to scan for control methods that
+ *              need serialization due to the creation of named objects.
+ *
+ * NOTE: It is a bit of overkill to mark all such methods serialized, since
+ * there is only a problem if the method actually blocks during execution.
+ * A blocking operation is, for example, a Sleep() operation, or any access
+ * to an operation region. However, it is probably not possible to easily
+ * detect whether a method will block or not, so we simply mark all suspicious
+ * methods as serialized.
+ *
+ * NOTE2: This code is essentially a generic routine for parsing a single
+ * control method.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsAutoSerializeMethod (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Op = NULL;
+    ACPI_WALK_STATE         *WalkState;
+
+
+    ACPI_FUNCTION_TRACE_PTR (DsAutoSerializeMethod, Node);
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+        "Method auto-serialization parse [%4.4s] %p\n",
+        AcpiUtGetNodeName (Node), Node));
+
+    /* Create/Init a root op for the method parse tree */
+
+    Op = AcpiPsAllocOp (AML_METHOD_OP);
+    if (!Op)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    AcpiPsSetName (Op, Node->Name.Integer);
+    Op->Common.Node = Node;
+
+    /* Create and initialize a new walk state */
+
+    WalkState = AcpiDsCreateWalkState (Node->OwnerId, NULL, NULL, NULL);
+    if (!WalkState)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, Op, Node, ObjDesc->Method.AmlStart,
+                ObjDesc->Method.AmlLength, NULL, 0);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    WalkState->DescendingCallback = AcpiDsDetectNamedOpcodes;
+
+    /* Parse the method, scan for creation of named objects */
+
+    Status = AcpiPsParseAml (WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    AcpiPsDeleteParseTree (Op);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsDetectNamedOpcodes
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              OutOp           - Unused, required for parser interface
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ *              Currently used to detect methods that must be marked serialized
+ *              in order to avoid problems with the creation of named objects.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDsDetectNamedOpcodes (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp)
+{
+
+    ACPI_FUNCTION_NAME (AcpiDsDetectNamedOpcodes);
+
+
+    /* We are only interested in opcodes that create a new name */
+
+    if (!(WalkState->OpInfo->Flags & (AML_NAMED | AML_CREATE | AML_FIELD)))
+    {
+        return (AE_OK);
+    }
+
+    /*
+     * At this point, we know we have a Named object opcode.
+     * Mark the method as serialized. Later code will create a mutex for
+     * this method to enforce serialization.
+     *
+     * Note, ACPI_METHOD_IGNORE_SYNC_LEVEL flag means that we will ignore the
+     * Sync Level mechanism for this method, even though it is now serialized.
+     * Otherwise, there can be conflicts with existing ASL code that actually
+     * uses sync levels.
+     */
+    WalkState->MethodDesc->Method.SyncLevel = 0;
+    WalkState->MethodDesc->Method.InfoFlags |=
+        (ACPI_METHOD_SERIALIZED | ACPI_METHOD_IGNORE_SYNC_LEVEL);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Method serialized [%4.4s] %p - [%s] (%4.4X)\n",
+        WalkState->MethodNode->Name.Ascii, WalkState->MethodNode,
+        WalkState->OpInfo->Name, WalkState->Opcode));
+
+    /* Abort the parse, no need to examine this method any further */
+
+    return (AE_CTRL_TERMINATE);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiDsMethodError
  *
  * PARAMETERS:  Status          - Execution status
@@ -238,11 +382,16 @@ AcpiDsBeginMethodExecution (
         /*
          * The CurrentSyncLevel (per-thread) must be less than or equal to
          * the sync level of the method. This mechanism provides some
-         * deadlock prevention
+         * deadlock prevention.
+         *
+         * If the method was auto-serialized, we just ignore the sync level
+         * mechanism, because auto-serialization of methods can interfere
+         * with ASL code that actually uses sync levels.
          *
          * Top-level method invocation has no walk state at this point
          */
         if (WalkState &&
+            (!(ObjDesc->Method.InfoFlags & ACPI_METHOD_IGNORE_SYNC_LEVEL)) &&
             (WalkState->Thread->CurrentSyncLevel > ObjDesc->Method.Mutex->Mutex.SyncLevel))
         {
             ACPI_ERROR ((AE_INFO,
@@ -710,7 +859,8 @@ AcpiDsTerminateControlMethod (
              * thread exits here.
              */
             MethodDesc->Method.InfoFlags &= ~ACPI_METHOD_SERIALIZED_PENDING;
-            MethodDesc->Method.InfoFlags |= ACPI_METHOD_SERIALIZED;
+            MethodDesc->Method.InfoFlags |=
+                (ACPI_METHOD_SERIALIZED | ACPI_METHOD_IGNORE_SYNC_LEVEL);
             MethodDesc->Method.SyncLevel = 0;
         }
 
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsmthdat.c b/sys/contrib/dev/acpica/components/dispatcher/dsmthdat.c
index 76157f5..4b998d9 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsmthdat.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsmthdat.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSMTHDAT_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acdispat.h>
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsobject.c b/sys/contrib/dev/acpica/components/dispatcher/dsobject.c
index a853d3d..106c6ab 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsobject.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsobject.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSOBJECT_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsopcode.c b/sys/contrib/dev/acpica/components/dispatcher/dsopcode.c
index b7ff590..86fe26c 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsopcode.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsopcode.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSOPCODE_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsutils.c b/sys/contrib/dev/acpica/components/dispatcher/dsutils.c
index 0a386cc..f4f0f33 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dsutils.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dsutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSUTILS_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>
@@ -779,16 +777,16 @@ AcpiDsCreateOperands (
         Index++;
     }
 
-    Index--;
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "NumOperands %d, ArgCount %d, Index %d\n",
+        WalkState->NumOperands, ArgCount, Index));
 
-    /* It is the appropriate order to get objects from the Result stack */
+    /* Create the interpreter arguments, in reverse order */
 
+    Index--;
     for (i = 0; i < ArgCount; i++)
     {
         Arg = Arguments[Index];
-
-        /* Force the filling of the operand stack in inverse order */
-
         WalkState->OperandIndex = (UINT8) Index;
 
         Status = AcpiDsCreateOperand (WalkState, Arg, Index);
@@ -797,10 +795,10 @@ AcpiDsCreateOperands (
             goto Cleanup;
         }
 
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+            "Created Arg #%u (%p) %u args total\n",
+            Index, Arg, ArgCount));
         Index--;
-
-        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Arg #%u (%p) done, Arg1=%p\n",
-            Index, Arg, FirstArg));
     }
 
     return_ACPI_STATUS (Status);
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dswexec.c b/sys/contrib/dev/acpica/components/dispatcher/dswexec.c
index 6955f3c..f391fe0 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dswexec.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dswexec.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,8 +42,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSWEXEC_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>
@@ -541,7 +539,8 @@ AcpiDsExecEndOp (
                 return_ACPI_STATUS (AE_OK);
             }
 
-            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%p\n", Op));
+            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+                "Method invocation, Op=%p\n", Op));
 
             /*
              * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dswload.c b/sys/contrib/dev/acpica/components/dispatcher/dswload.c
index 1cc8d4f..8bc425a 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dswload.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dswload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSWLOAD_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>
@@ -80,8 +78,21 @@ AcpiDsInitCallbacks (
 
     switch (PassNumber)
     {
+    case 0:
+
+        /* Parse only - caller will setup callbacks */
+
+        WalkState->ParseFlags         = ACPI_PARSE_LOAD_PASS1 |
+                                        ACPI_PARSE_DELETE_TREE |
+                                        ACPI_PARSE_DISASSEMBLE;
+        WalkState->DescendingCallback = NULL;
+        WalkState->AscendingCallback  = NULL;
+        break;
+
     case 1:
 
+        /* Load pass 1 */
+
         WalkState->ParseFlags         = ACPI_PARSE_LOAD_PASS1 |
                                         ACPI_PARSE_DELETE_TREE;
         WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
@@ -90,6 +101,8 @@ AcpiDsInitCallbacks (
 
     case 2:
 
+        /* Load pass 2 */
+
         WalkState->ParseFlags         = ACPI_PARSE_LOAD_PASS1 |
                                         ACPI_PARSE_DELETE_TREE;
         WalkState->DescendingCallback = AcpiDsLoad2BeginOp;
@@ -98,6 +111,8 @@ AcpiDsInitCallbacks (
 
     case 3:
 
+        /* Execution pass */
+
 #ifndef ACPI_NO_METHOD_EXECUTION
         WalkState->ParseFlags        |= ACPI_PARSE_EXECUTE  |
                                         ACPI_PARSE_DELETE_TREE;
@@ -193,7 +208,7 @@ AcpiDsLoad1BeginOp (
              * Target of Scope() not found. Generate an External for it, and
              * insert the name into the namespace.
              */
-            AcpiDmAddToExternalList (Op, Path, ACPI_TYPE_DEVICE, 0);
+            AcpiDmAddOpToExternalList (Op, Path, ACPI_TYPE_DEVICE, 0, 0);
             Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
                        ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT,
                        WalkState, &Node);
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dswload2.c b/sys/contrib/dev/acpica/components/dispatcher/dswload2.c
index 2b85413..4728774 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dswload2.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dswload2.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSWLOAD2_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dswscope.c b/sys/contrib/dev/acpica/components/dispatcher/dswscope.c
index 8530b5d..dc1fedc 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dswscope.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dswscope.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,8 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#define __DSWSCOPE_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acdispat.h>
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dswstate.c b/sys/contrib/dev/acpica/components/dispatcher/dswstate.c
index 8fd36bf..5211666 100644
--- a/sys/contrib/dev/acpica/components/dispatcher/dswstate.c
+++ b/sys/contrib/dev/acpica/components/dispatcher/dswstate.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,9 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-
-#define __DSWSTATE_C__
-
 #include <contrib/dev/acpica/include/acpi.h>
 #include <contrib/dev/acpica/include/accommon.h>
 #include <contrib/dev/acpica/include/acparser.h>